test_DS18B80_print.py

import RPi.GPIO as GPIO
import os
import re
from csv import writer
from datetime import datetime
import time

GPIO.setwarnings(True)
GPIO.setmode(GPIO.BCM)

def getTemps():
  allTemps = list()
  ow_basedir = "/sys/bus/w1/devices/"
  ow_devices = os.listdir(ow_basedir)
  ow_retemp = re.compile('t=(\d*)')
  for thistring in ow_devices:
    if(thistring.startswith("28")):
      ow_path = os.path.join(ow_basedir, thistring, "w1_slave")
      ow_devfile = open(ow_path, "r")
      ow_devtext = ow_devfile.readlines()
      ow_temp = ow_retemp.search(ow_devtext[1])
      allTemps.append(ow_temp.group(1))
  print(allTemps)